PM25MV - Bearings and Noise and What have you

Since I've got everyone's attention here, I have one more question.

I did a pretty good cleaning of the quill housing, it had all sorts of gunk from the original delivery. I quite remember that the spline part of things was absolutely chock full of a thick grease. Now that I have it nice an clean, and with a thin film of LPS3, I finally get to hear the spline rattling that people mention here and there. Until today, it's been sort of a legend that people tell. Today I heard it on my machine. It is a very disturbing sound under 100rpm, an acceptable rattle up to 600rpm, and it goes away above that.

Before I go dump a bunch of grease in there, what's everyone's take on the rattle? Live with it or fill the spindle housing with grease to the max?

I've seen the CNC people make a plastic bushing to stabilize the spline, but I need the vertical travel so that won't really work here.

thanks in advance,
wm_crash
 
I'd stuff it full of thick grease; I can't stand things rattling around
Plus, doesn't the rattle indicate wear is occurring?
 
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